Búsqueda Imágenes Maps Play YouTube Noticias Gmail Drive Más »
Iniciar sesión
Usuarios de lectores de pantalla: deben hacer clic en este enlace para utilizar el modo de accesibilidad. Este modo tiene las mismas funciones esenciales pero funciona mejor con el lector.

Patentes

  1. Búsqueda avanzada de patentes
Número de publicaciónUS6093173 A
Tipo de publicaciónConcesión
Número de solicitudUS 09/149,981
Fecha de publicación25 Jul 2000
Fecha de presentación9 Sep 1998
Fecha de prioridad9 Sep 1998
TarifaPagadas
También publicado comoUS6569182, US6689152, US20030105485
Número de publicación09149981, 149981, US 6093173 A, US 6093173A, US-A-6093173, US6093173 A, US6093173A
InventoresJobert P Balceta, Lorraine Mangosong
Cesionario originalEmbol-X, Inc.
Exportar citaBiBTeX, EndNote, RefMan
Enlaces externos: USPTO, Cesión de USPTO, Espacenet
Introducer/dilator with balloon protection and methods of use
US 6093173 A
Resumen
An introducer system having an elongate shaft with proximal and distal ends. A flexible sleeve is mounted on the distal end of the shaft and is adapted to circumferentially cover the outer surface of a distal end of a cannula when the shaft is positioned within a lumen of the cannula. The introducer system has dilation capabilities which facilitates insertion of a medical device into a vessel or organ. Methods of using the devices herein are also disclosed.
Imágenes(5)
Previous page
Next page
Reclamaciones(38)
What is claimed is:
1. A cannula introducer system, comprising:
a cannula having a proximal end, a distal end, and a lumen therebetween;
an elongate shaft having proximal and distal ends, said shaft insertable through the lumen of the cannula; and
a flexible sleeve mounted on the distal end of the shaft, wherein the sleeve is adapted to circumferentially cover the distal end of the cannula when the shaft is positioned within the lumen of the cannula, and wherein the sleeve is adapted to uncover the distal end of the cannula when the elongate shaft is retracted, the sleeve being removable through the lumen of the cannula.
2. The cannula introducer system of claim 1, further comprising a balloon mounted on the distal end of the cannula.
3. The cannula introducer system of claim 1, wherein the proximal end of the cannula is shaped to receive oxygenated blood through a fitting from a bypass-oxygenator machine.
4. The cannula introducer system of claim 1, wherein the flexible sleeve is an elastomeric sleeve.
5. The cannula introducer system of claim 1, wherein the sleeve comprises a lubricious material.
6. The cannula introducer system of claim 1, wherein the elongate shaft is flexible.
7. The cannula introducer system of claim 1, wherein the elongate shaft further comprises a coil.
8. The cannula introducer system of claim 1, further comprising a collet at the proximal end of the elongate shaft.
9. The cannula introducer system of claim 8, further comprising a screw lock proximal to the collet.
10. The cannula introducer system of claim 1, further comprising an angulated tip adapted for insertion into a body tissue at the distal end of the elongate shaft.
11. An introducer, comprising:
an elongate shaft having proximal and distal ends, said shaft insertable through a lumen of a cannula; and
a flexible sleeve mounted on the distal end of the shaft, said sleeve insertable and removable through the lumen of the cannula, wherein the sleeve is adapted to circumferentially cover a distal end of the cannula when the shaft is positioned within the lumen of the cannula.
12. The introducer of claim 11, wherein the introducer is positioned within the lumen of the cannula.
13. The introducer of claim 11, wherein the flexible sleeve comprises an elastomeric sleeve.
14. The introducer of claim 11, wherein the sleeve comprises a lubricious material.
15. The introducer of claim 11, wherein the elongate shaft is flexible.
16. The introducer of claim 11, wherein the elongate shaft comprises a coil.
17. The introducer of claim 11, further comprising a collet at the proximal end of the elongate shaft.
18. The introducer of claim 17, further comprising a screw lock proximal to the collet.
19. The introducer of claim 11, further comprising an angulated tip adapted for insertion into a body tissue at the distal end of the elongate shaft.
20. A method for introducing a cannula into a body tissue, comprising:
providing an introducer insertable within a lumen of the cannula, the introducer comprising an elongate shaft having proximal and distal ends, and a flexible sleeve mounted on the distal end of the shaft and adapted to cover a distal end of the cannula;
inserting the distal end of the cannula into the body tissue through an incision with the sleeve covering the distal end of the cannula;
retracting the shaft, thereby removing the sleeve from the distal end of the cannula; and
withdrawing the shaft and sleeve from the lumen of the cannula.
21. The method of claim 20, wherein the cannula further comprises a balloon mounted on the distal end thereof.
22. The method of claim 21, further comprising the step of inflating the balloon.
23. The method of claim 20, wherein the sleeve comprises a lubricious material.
24. The method of claim 20, wherein the cannula connects to a bypass oxygenator machine.
25. The method of claim 20, further comprising the step of delivering blood and cardioplegia solution through the cannula.
26. The method of claim 20, wherein the body tissue is a blood vessel.
27. The method of claim 26, wherein the blood vessel is the aorta.
28. The method of claim 20, further comprising the step of performing coronary artery bypass grafting surgery.
29. A cannula introducer system, comprising:
a cannula having a proximal end shaped to receive oxygenated blood through a fitting from a bypass-oxygenator machine, a distal end, and a lumen therebetween;
an elongate shaft having proximal and distal ends, said shaft insertable through the lumen of the cannula; and
a flexible sleeve mounted on the distal end of the shaft, wherein the sleeve is adapted to circumferentially cover the distal end of the cannula when the shaft is positioned within the lumen of the cannula, the sleeve being removable through the lumen of the cannula.
30. The cannula introducer system of claim 29, further comprising a balloon mounted on the distal end of the cannula.
31. The cannula introducer system of claim 29, wherein the sleeve is adapted to uncover the distal end of the cannula when the elongate shaft is retracted.
32. The cannula introducer system of claim 29, wherein the flexible sleeve is an elastomeric sleeve.
33. The cannula introducer system of claim 29, wherein the sleeve comprises a lubricious material.
34. The cannula introducer system of claim 29, wherein the elongate shaft is flexible.
35. The cannula introducer system of claim 29, wherein the elongate shaft further comprises a coil.
36. The cannula introducer system of claim 29, further comprising a collet at the proximal end of the elongate shaft.
37. The cannula introducer system of claim 36, further comprising a screw lock proximal to the collet.
38. The cannula introducer system of claim 29, further comprising an angulated tip adapted for insertion into a body tissue at the distal end of the elongate shaft.
Descripción
FIELD OF THE INVENTION

The present invention relates generally to an introducer system having dilatation capabilities to facilitate insertion of a medical device into a body tissue, including a patient's vascular system. More particularly, the introducer protects the medical device from damage and the body tissue from trauma during insertion.

BACKGROUND OF THE INVENTION

Catheters or cannulas with relatively large diameters are commonly used in various surgical procedures, which include draining fluid from a body cavity, delivering fluid to a body tissue, and introducing surgical and diagnostic tools. To access a body tissue for insertion of these large catheters or cannulas, a guidewire is traditionally used, as described by Seleinger in Br. J 2(6026):21-22 (1976), incorporated herein by reference in its entirety. For example, to insert an internal jugular cannula to provide venous drainage for cardiopulmonary bypass during coronary artery bypass grafting surgery, a patient's right internal jugular vein is first punctured by a small diameter needle. A guidewire is then inserted through the needle into the internal jugular vein. The needle is withdrawn, leaving the guidewire in the blood vessel. A dilator is inserted over the guidewire into the puncture site to enlarge the opening into the internal jugular vein. The dilator is removed and the venous drainage cannula is inserted over the guidewire into the internal jugular vein. After final placement of the cannula, the guidewire is removed, leaving the cannula in the internal jugular vein and available to drain venous blood to a cardiopulmonary bypass machine. In this approach, dilators are used to enlarge an opening on the body tissue for inserting cannulas, and therefore, often traumatize the body tissue.

To reduce the trauma associated with these access devices, thin wall construction using elastomeric materials has been attempted. However, access devices formed of these materials possess a tendency to buckle or bulge during insertion. To overcome the problem of buckling and folding, an adjustable vascular introducer formed of a rolled up plastic sheath in tube form surrounded by a coaxial elastic sheath was described in Cardiovasc. Intervent. Radiol. 2:169-171 (1989), incorporated herein by reference in its entirety. This device would expand around the oversized portion of a balloon catheter as it passed through the device. This adjustable introducer, however, has an expandable circular cross-section which limits its applicability beyond balloon valvuloplasty.

Other introduction devices which utilize a trocar or dilator inside a straight or curved cannula to facilitate insertion of the cannula have been described in Klyce et al., U.S. Pat. No. 4,863,430, incorporated herein by reference. Although these devices simplify the steps for inserting a cannula, they lack the ability to protect the cannula, especially when mounted with fragile, exposed, external balloons, from damage during insertion.

A need therefore exists for an introducer system which provides dilation capabilities to facilitate insertion of a medical device into a body tissue, and provides protection for the device and the body tissue from trauma during insertion.

SUMMARY OF THE INVENTION

The present invention provides an introducer system having the ability to dilate an incision on a body tissue for insertion of a medical device, said introducer further having the ability to protect the medical devices and body tissue from injury during insertion. The introducer system comprises an elongate shaft having a proximal and a distal end. A flexible sleeve is mounted on the distal end of the shaft. When the shaft is positioned within a lumen of a cannula, having a proximal end, a distal end, and a lumen therebetween, the sleeve is adapted to circumferentially cover the outer surface of the distal end of the cannula. The flexible sleeve, which is typically also expandable, may be constructed using elastomeric or lubricious material. The elongate shaft may be made of flexible material, e.g. plastic. In certain embodiments, the shaft may include a coil which also provides flexibility for the shaft.

In an alternative embodiment, the proximal end of the shaft may have a collet and a screw lock proximal to the collet adapted for securing the introducer in the lumen of a cannula. The screw and collet also provide a hemostatic seal for the cannula. The distal end of the elongate shaft may include an angulated tip which enlarges an opening into a body tissue, thereby facilitating insertion of a cannula.

The present invention also provides methods for introducing a cannula into a body tissue, including a patient's blood vessel. The methods employ an introducer insertable within a lumen of the cannula, said introducer having a proximal and distal end, and a flexible sleeve mounted on the distal end of the shaft and adapted to cover a distal end of the cannula. After an incision is made on the body tissue, the distal end of the cannula is inserted through the incision into the body tissue with the sleeve covering the outer surface of the distal end of the cannula. This feature is particularly significant in a cannula having an expandable balloon mounted at its distal end in that the balloon is protected from being punctured by the sometimes-calcific plaque of a vessel wall. After final placement of the cannula, the elongate shaft is retracted, whereby the sleeve is inverted and drawn into the lumen of the cannula, thereby removing the sleeve from the outer surface of the distal end of the cannula. The shaft and sleeve are subsequently withdrawn from the lumen of the cannula.

It will be understood that there are many advantages to using an introducer/dilator with balloon protection as disclosed herein. For example, the introducer of the present invention provides (1) dilatation capability, thereby obviating the need for another dilator, (2) a flexible shaft which can be easily accommodated in any curved or straight cannula, (3) protection for a body tissue from trauma during insertion, (4) protection for a medical device from being damaged during insertion, (5) a shaft and sleeve which are easily removed after final placement of the medical device, and (6) a restraint on the outer diameter of the medical device which helps to minimize the cross-sectional profile of the device for insertion into a vessel or other body tissue.

BRIEF DESCRIPTION OF THE DRAWINGS

FIG. 1 depicts a preferred embodiment of an introducer/dilator with balloon protection.

FIG. 2 depicts an alternative preferred embodiment of an introducer/dilator with balloon protection.

FIG. 3 depicts a distal end of an introducer/dilator without balloon protection.

FIG. 4 depicts an end view of the tip depicted in FIG. 3.

FIG. 5 depicts an introducer/dilator with balloon protection positioned within a lumen of a cannula entering an aorta.

FIG. 6 depicts withdrawal of the introducer/dilator with balloon protection as depicted in FIG. 5.

FIG. 7 depicts the cannula of FIG. 6 connected to a bypass-oxygenator machine.

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS

The devices and methods disclosed herein facilitate insertion of various medical devices, including infusion catheters, aspirators, balloon occluders, pressure monitors, and arterial or venous catheters. A preferred embodiment of an introducer/dilator with balloon protection according to the invention is illustrated in FIG. 1. The introducer/dilator has proximal end 1, distal end 2, and elongate shaft 3. Distal end 2 further comprises tip 10 adapted for insertion into a body tissue. Flexible sleeve 5 is mounted proximal to tip 10 for protecting a medical device.

An alternative embodiment of the introducer/dilator with balloon protection is illustrated in FIG. 2. In this embodiment, elongate shaft 3 further comprises a coil 12 to provide flexibility. Proximal end 1 has collet 15 and screw lock 16 adapted to securely engage a proximal end of a medical device, thereby locking the introducer securely within a lumen of the medical device.

FIG. 3 depicts a distal end of an introducer/dilator without balloon protection. In this embodiment, tip 10 is constructed using a plurality of geometric shapes. This is further illustrated in FIG. 4 which depicts an end view of the tip having three prisms 20, each extending distally and sharing a common point 22 at a vertex. Construction of the tip utilizing other numbers of different geometric cuts is also possible to facilitate insertion and dilation in a body tissue.

The length of the elongate shaft is generally between 3 and 15 inches, preferably approximately 7 inches. The diameter of the elongate shaft is generally between 0.05 and 0.25 inches, preferably approximately 0.127 inches. The length of coil from the distal end of the elongate shaft is generally between 2 and 5 inches, preferably approximately 3.5 inches. The foregoing ranges are set forth solely for the purpose of illustrating typical device dimensions. The actual dimensions of a device constructed according to the principles of the present invention may obviously vary outside of the listed ranges without departing from those basic principles.

Methods of using the invention are illustrated in FIGS. 5 and 6. FIG. 5 depicts an introducer/dilator with balloon protection positioned within a lumen of a cannula entering an aorta. During cardiopulmonary bypass, cannula 25 having expandable balloon 30 mounted at distal end 40 is inserted into a patient's ascending aorta 50 to provide circulatory isolation of the heart and coronary blood vessels from the peripheral vascular system. The cannula has lumen 26 for delivering oxygenated blood from the bypass oxygenator machine 55 to the aorta. Expandable balloon 30 is in communication with inflation lumen 32 and inflation port 34. Distal region 40 of the cannula is angled in relation to proximal region 42. Elongate shaft 3 is also angled within the cannula lumen at coil 12. Tip 10 protrudes from distal opening 44 of the cannula. A collet 15 and screw lock 16 secure the introducer/dilator at the proximal region of the cannula.

When in use, the cannula 25 containing the introducer/dilator with balloon protection is introduced through an incision made on the aorta 50. Tip 10 facilitates entry of the cannula by enlarging the incision on the aorta, thereby functioning as a dilator. As distal region 40 of the cannula enters the incision, flexible sleeve 5 protects the distal end of the cannula and expandable balloon 30 from damage by the sometimes-calcific aortic plaque. The flexible sleeve also protects the aorta from blunt trauma during insertion of the cannula. After the cannula is positioned within the aorta, screw lock 16 is disengaged at the proximal region of the cannula so that shaft 3 and sleeve 5 can be withdrawn proximally. As the shaft is withdrawn into the lumen of the cannula, flexible sleeve 5 is inverted, thereby releasing the balloon as shown in FIG. 6. As shown in FIG. 7, after the shaft and sleeve are completely removed from the lumen of the cannula, the balloon can be inflated through inflation lumen 32 and inflation port 34 to occlude the aorta, thereby providing isolation of the heart and coronary blood vessels from the peripheral vascular system. Cardiopulmonary bypass can then be initiated by delivering oxygenated blood from a bypass oxygenator machine 55 to the aorta. The bypass-oxygenator machine 55 can be connected to the cannula 25 through fitting 53.

In addition to the aortic cannula described above, the devices and methods disclosed herein can be utilized in inserting other medical devices into blood vessels or organs, such as atherectomy devices, angioplasty catheters, coronary sinus catheters, percutaneous gastrostomy tubes, intra-aortic balloons, suprapubic catheters, and aortic cannulas with filter as disclosed in Barbut et al., U.S. Pat. No. 5,769,816, incorporated herein by reference in its entirety.

Although the foregoing invention has, for the purposes of clarity and understanding, been described in some detail by way of illustration and example, it will be obvious that certain changes and modifications may be practiced which will still fall within the scope of the appended claims.

Citas de patentes
Patente citada Fecha de presentación Fecha de publicación Solicitante Título
US5053007 *14 Dic 19891 Oct 1991Scimed Life Systems, Inc.Compression balloon protector for a balloon dilatation catheter and method of use thereof
US5330446 *16 Jun 199219 Jul 1994Weldon Thomas DWound treating device using an inflatable membrane and method for treating wounds
US5702410 *21 May 199630 Dic 1997Cordis CorporationBalloon catheter with balloon protection sheath
US5702417 *22 May 199530 Dic 1997General Surgical Innovations, Inc.Balloon loaded dissecting instruments
US5769816 *30 Abr 199623 Jun 1998Embol-X, Inc.Cannula with associated filter
US5843027 *4 Dic 19961 Dic 1998Cardiovascular Dynamics, Inc.Balloon sheath
US5846260 *8 May 19978 Dic 1998Embol-X, Inc.Cannula with a modular filter for filtering embolic material
US5849248 *5 Mar 199615 Dic 1998Rainin Instrument Co., Inc.Adjustable volume pipette with improved volume adjustment lock mechanism
Citada por
Patente citante Fecha de presentación Fecha de publicación Solicitante Título
US6569182 *12 Abr 200027 May 2003Embol-X, Inc.Introducer/dilator with balloon protection and methods of use
US6638268 *6 Abr 200128 Oct 2003Imran K. NiaziCatheter to cannulate the coronary sinus
US664729218 Sep 200011 Nov 2003Cameron HealthUnitary subcutaneous only implantable cardioverter-defibrillator and optional pacer
US668915210 Ene 200310 Feb 2004Edwards Lifesciences Corp.Introducer/dilator with balloon protection and methods of use
US672159718 Sep 200013 Abr 2004Cameron Health, Inc.Subcutaneous only implantable cardioverter defibrillator and optional pacer
US675452821 Nov 200122 Jun 2004Cameraon Health, Inc.Apparatus and method of arrhythmia detection in a subcutaneous implantable cardioverter/defibrillator
US67788605 Nov 200117 Ago 2004Cameron Health, Inc.Switched capacitor defibrillation circuit
US6808520 *1 Mar 200126 Oct 2004Endovascular Technologies, Inc.Dual valve, flexible expandable sheath and method
US68342045 Nov 200121 Dic 2004Cameron Health, Inc.Method and apparatus for inducing defibrillation in a patient using a T-shock waveform
US685683527 Ago 200115 Feb 2005Cameron Health, Inc.Biphasic waveform for anti-tachycardia pacing for a subcutaneous implantable cardioverter-defibrillator
US686604427 Ago 200115 Mar 2005Cameron Health, Inc.Method of insertion and implantation of implantable cardioverter-defibrillator canisters
US693790727 Ago 200130 Ago 2005Cameron Health, Inc.Subcutaneous electrode for transthoracic conduction with low-profile installation appendage and method of doing same
US695070527 Ago 200127 Sep 2005Cameron Health, Inc.Canister designs for implantable cardioverter-defibrillators
US69526105 Nov 20014 Oct 2005Cameron Health, Inc.Current waveforms for anti-tachycardia pacing for a subcutaneous implantable cardioverter- defibrillator
US69880035 Nov 200117 Ene 2006Cameron Health, Inc.Implantable cardioverter-defibrillator having two spaced apart shocking electrodes on housing
US70394595 Nov 20012 May 2006Cameron Health, Inc.Cardioverter-defibrillator having a focused shocking area and orientation thereof
US703946527 Ago 20012 May 2006Cameron Health, Inc.Ceramics and/or other material insulated shell for active and non-active S-ICD can
US70432995 Nov 20019 May 2006Cameron Health, Inc.Subcutaneous implantable cardioverter-defibrillator employing a telescoping lead
US70623294 Oct 200213 Jun 2006Cameron Health, Inc.Implantable cardiac system with a selectable active housing
US706540727 Ago 200120 Jun 2006Cameron Health, Inc.Duckbill-shaped implantable cardioverter-defibrillator canister and method of use
US70654105 Nov 200120 Jun 2006Cameron Health, Inc.Subcutaneous electrode with improved contact shape for transthorasic conduction
US706908027 Ago 200127 Jun 2006Cameron Health, Inc.Active housing and subcutaneous electrode cardioversion/defibrillating system
US707629627 Ago 200111 Jul 2006Cameron Health, Inc.Method of supplying energy to subcutaneous cardioverter-defibrillator and pacer
US70906825 Nov 200115 Ago 2006Cameron Health, Inc.Method and apparatus for extraction of a subcutaneous electrode
US70927545 Nov 200115 Ago 2006Cameron Health, Inc.Monophasic waveform for anti-bradycardia pacing for a subcutaneous implantable cardioverter-defibrillator
US71204955 Nov 200110 Oct 2006Cameron Health, Inc.Flexible subcutaneous implantable cardioverter-defibrillator
US714621227 Ago 20015 Dic 2006Cameron Health, Inc.Anti-bradycardia pacing for a subcutaneous implantable cardioverter-defibrillator
US714957517 May 200212 Dic 2006Cameron Health, Inc.Subcutaneous cardiac stimulator device having an anteriorly positioned electrode
US718924911 May 200113 Mar 2007Applied Medical Resources CorporationTraction trocar apparatus and method
US719430217 Abr 200220 Mar 2007Cameron Health, Inc.Subcutaneous cardiac stimulator with small contact surface electrodes
US71943095 Nov 200120 Mar 2007Cameron Health, Inc.Packaging technology for non-transvenous cardioverter/defibrillator devices
US73497361 Nov 200625 Mar 2008Cameron Health, Inc.Active housing dual lead assembly
US735975414 Oct 200515 Abr 2008Cameron Health, Inc.Optional use of a lead for a unitary subcutaneous implantable cardioverter-defibrillator
US736308322 Abr 200522 Abr 2008Cameron Health, Inc.Flexible subcutaneous implantable cardioverter-defibrillator
US740635029 Sep 200529 Jul 2008Cameron Health, Inc.Subcutaneous implantable cardioverter-defibrillator employing a telescoping lead
US746392421 Ene 20059 Dic 2008Cameron Health, Inc.Methods for determining placement of an implantable cardiac stimulus device
US750264518 Feb 200510 Mar 2009Cameron Health, Inc.Current waveforms for anti-bradycardia pacing for a subcutaneous implantable cardioverter-defibrillator
US76550146 Dic 20042 Feb 2010Cameron Health, Inc.Apparatus and method for subcutaneous electrode insertion
US7655021 *10 Mar 20032 Feb 2010Boston Scientific Scimed, Inc.Dilator with expandable member
US76573116 Jun 20062 Feb 2010Cameron Health, Inc.Subcutaneous only implantable cardioverter-defibrillator and optional pacer
US76573225 May 20062 Feb 2010Cameron Health, Inc.Subcutaneous electrode with improved contact shape for transthoracic conduction
US766216521 May 200316 Feb 2010Salviac LimitedEmbolic protection device
US767813310 Jul 200416 Mar 2010Arstasis, Inc.Biological tissue closure device and method
US772053428 Sep 200618 May 2010Cameron Health, Inc.Transthoracic impedance measurement in a subcutaneous device
US77205366 Jun 200618 May 2010Cameron Health, Inc.Power supply for an implantable subcutaneous cardioverter-defibrillator
US775188527 Oct 20066 Jul 2010Cameron Health, Inc.Bradycardia pacing in a subcutaneous device
US77740581 Nov 200610 Ago 2010Cameron Health, Inc.Anterior positioning on opposing sides of sternum
US77740591 Nov 200610 Ago 2010Cameron HealthAnterior positioning inactive housing
US778069731 Ene 200724 Ago 2010Salviac LimitedEmbolic protection system
US778334016 Ene 200724 Ago 2010Cameron Health, Inc.Systems and methods for sensing vector selection in an implantable medical device using a polynomial approach
US778534221 May 200331 Ago 2010Salviac LimitedEmbolic protection device
US78137976 Feb 200612 Oct 2010Cameron Health, Inc.Cardioverter-defibrillator having a focused shocking area and orientation thereof
US7819890 *8 Nov 200526 Oct 2010Ev3 Inc.Rolled tip recovery catheter
US783324228 Dic 200616 Nov 2010Salviac LimitedEmbolic protection device
US78357901 Nov 200616 Nov 2010Cameron Health, Inc.Anterior active housing subcutaneous positioning methods
US78377018 Mar 200523 Nov 2010Salviac LimitedEmbolic protection device
US784206315 Dic 200430 Nov 2010Salviac LimitedEmbolic protection device
US784206625 Abr 200730 Nov 2010Salviac LimitedEmbolic protection system
US787713922 Sep 200625 Ene 2011Cameron Health, Inc.Method and device for implantable cardiac stimulus device lead impedance measurement
US790142630 Ene 20028 Mar 2011Salviac LimitedEmbolic protection device
US790142719 Dic 20088 Mar 2011Salviac LimitedFilter element with retractable guidewire tip
US792734913 Jun 200719 Abr 2011Salviac LimitedSupport frame for an embolic protection device
US79723524 Nov 20045 Jul 2011Salviac LimitedEmbolic protection system
US799145916 Nov 20072 Ago 2011Cameron Health, Inc.Method for defining signal templates in implantable cardiac devices
US79981696 Oct 200616 Ago 2011Arstasis, Inc.Access and closure device and method
US80027916 Oct 200623 Ago 2011Arstasis, Inc.Access and closure device and method
US80027926 Oct 200623 Ago 2011Arstasis, Inc.Access and closure device and method
US80027936 Oct 200623 Ago 2011Arstasis, Inc.Access and closure device and method
US800279419 Abr 200723 Ago 2011Arstasis, Inc.Access and closure device and method
US80121686 Oct 20066 Sep 2011Arstasis, Inc.Access and closure device and method
US801485126 Sep 20066 Sep 2011Cameron Health, Inc.Signal analysis in implantable cardiac treatment devices
US801486213 Nov 20106 Sep 2011Cameron Health, Inc.Anterior active housing subcutaneous positioning methods
US80527165 Ene 20078 Nov 2011Salviac LimitedEmbolic protection system
US80575048 Mar 200515 Nov 2011Salviac LimitedEmbolic protection device
US80837676 Oct 200627 Dic 2011Arstasis, Inc.Access and closure device and method
US811411513 Jun 200714 Feb 2012Salviac LimitedSupport frame for an embolic protection device
US81168674 Ago 200514 Feb 2012Cameron Health, Inc.Methods and devices for tachyarrhythmia sensing and high-pass filter bypass
US81237761 Jun 200528 Feb 2012Salviac LimitedEmbolic protection system
US814745429 Abr 20053 Abr 2012Tyco Healthcare Group LpGastrostomy tube extension device
US816069725 Ene 200517 Abr 2012Cameron Health, Inc.Method for adapting charge initiation for an implantable cardioverter-defibrillator
US81606998 Oct 201017 Abr 2012Cameron Health, Inc.Cardioverter-defibrillator having a focused shocking area and orientation thereof
US82003417 Feb 200712 Jun 2012Cameron Health, Inc.Sensing vector selection in a cardiac stimulus device with postural assessment
US821627021 Dic 200610 Jul 2012Salviac LimitedEmbolic protection device
US822144813 Jun 200717 Jul 2012Salviac LimitedEmbolic protection device
US822667813 Jun 200724 Jul 2012Salviac LimitedEmbolic protection device
US822956325 Ene 200524 Jul 2012Cameron Health, Inc.Devices for adapting charge initiation for an implantable cardioverter-defibrillator
US824131920 Ago 200714 Ago 2012Salviac LimitedEmbolic protection system
US824132512 May 200614 Ago 2012Arstasis, Inc.Access and closure device and method
US83288427 Feb 201111 Dic 2012Salviac LimitedFilter element with retractable guidewire tip
US841232017 Ago 20052 Abr 2013Cameron Health, Inc.Nontransvenous and nonepicardial methods of cardiac treatment and stimulus
US843090113 Jun 200730 Abr 2013Salviac LimitedEmbolic protection device
US844739828 Feb 200721 May 2013Cameron Health, Inc.Subcutaneous implantable cardioverter-defibrillator placement methods
US849162020 Ene 201023 Jul 2013Boston Scientific Scimed, Inc.Dilator with expandable member
US860313113 Dic 200610 Dic 2013Salviac LimitedEmbolic protection device
US862296829 Feb 20127 Ene 2014Covidien LpGastrostomy tube extension device
US862628527 Dic 20127 Ene 2014Cameron Health, Inc.Method and devices for performing cardiac waveform appraisal
US87187931 Ago 20066 May 2014Cameron Health, Inc.Electrode insertion tools, lead assemblies, kits and methods for placement of cardiac device electrodes
US872816215 Abr 201120 May 2014Osteomed, LlcDirect lateral spine system instruments, implants and associated methods
US874743116 Sep 201010 Jun 2014Covidien LpRolled tip recovery catheter
US878160217 Jun 201315 Jul 2014Cameron Health, Inc.Sensing vector selection in a cardiac stimulus device with postural assessment
US878802326 May 200622 Jul 2014Cameron Health, Inc.Systems and methods for sensing vector selection in an implantable medical device
US885222615 Jul 20117 Oct 2014Salviac LimitedVascular device for use during an interventional procedure
US894280211 Feb 200827 Ene 2015Cameron Health, Inc.Method for discriminating between ventricular and supraventricular arrhythmias
US896553018 Jun 201424 Feb 2015Cameron Health, Inc.Implantable cardiac devices and methods using an x/y counter
US897988221 Jul 200917 Mar 2015Arstasis, Inc.Devices, methods, and kits for forming tracts in tissue
US899255814 Abr 201131 Mar 2015Osteomed, LlcLateral access system for the lumbar spine
US902296221 Oct 20045 May 2015Boston Scientific Scimed, Inc.Apparatus for detecting and treating ventricular arrhythmia
US914468330 Oct 200629 Sep 2015Cameron Health, Inc.Post-shock treatment in a subcutaneous device
US914964510 Mar 20146 Oct 2015Cameron Health, Inc.Methods and devices implementing dual criteria for arrhythmia detection
US915548517 Dic 201413 Oct 2015Cameron Health, Inc.Method for discriminating between ventricular and supraventricular arrhythmias
US921628418 Mar 201422 Dic 2015Cameron Health, Inc.Electrode insertion tools, lead assemblies, kits and methods for placement of cardiac device electrodes
US935796929 Jul 20157 Jun 2016Cameron Health, Inc.Sensing vector selection in a cardiac stimulus device with postural assessment
US936467713 Jun 201414 Jun 2016Cameron Health, Inc.Systems and methods for sensing vector selection in an implantable medical device
US9375217 *18 Jul 200628 Jun 2016Boston Scientific Scimed, Inc.Catheterizing body lumens
US9393041 *7 Dic 200719 Jul 2016Onset Medical CorporationExpandable medical access sheath
US942139011 Sep 201523 Ago 2016Cameron Health Inc.Methods and devices implementing dual criteria for arrhythmia detection
US955525915 Sep 201531 Ene 2017Cameron Health Inc.Method for discriminating between ventricular and supraventricular arrhythmias
US957906511 Mar 201428 Feb 2017Cameron Health Inc.Cardiac signal vector selection with monophasic and biphasic shape consideration
US974436610 May 201629 Ago 2017Cameron Health, Inc.Sensing vector selection in a cardiac stimulus device with postural assessment
US20020035380 *27 Ago 200121 Mar 2002Cameron Health, Inc.Power supply for an implantable subcutaneous cardioverter-defibrillator
US20020042629 *27 Ago 200111 Abr 2002Cameron Health, Inc.Cardioverter-defibrillator having a focused shocking area and orientation thereof
US20020049476 *27 Ago 200125 Abr 2002Cameron Health, Inc.Biphasic waveform anti-bradycardia pacing for a subcutaneous implantable cardioverter-defibrillator
US20020052636 *27 Ago 20012 May 2002Cameron Health, Inc.Subcutaneous electrode for transthoracic conduction with low-profile installation appendage and method of doing same
US20020091414 *5 Nov 200111 Jul 2002Cameron Health, Inc.Monophasic waveform for anti-bradycardia pacing for a subcutaneous implantable cardioverter-defibrillator
US20020095184 *5 Nov 200118 Jul 2002Bardy Gust H.Monophasic waveform for anti-tachycardia pacing for a subcutaneous implantable cardioverter-defibrillator
US20020107545 *5 Nov 20018 Ago 2002Cameron Health, Inc.Power supply for a subcutaneous implantable cardioverter-defibrillator
US20020107546 *5 Nov 20018 Ago 2002Cameron Health, Inc.Packaging technology for non-transvenous cardioverter/defibrillator devices
US20020107548 *5 Nov 20018 Ago 2002Cameron Health, Inc.Cardioverter-defibrillator having a focused shocking area and orientation thereof
US20020120299 *5 Nov 200129 Ago 2002Cameron Health, Inc.Current waveforms for anti-tachycardia pacing for a subcutaneous implantable cardioverter- defibrillator
US20030036778 *17 May 200220 Feb 2003Ostroff Alan H.Subcutaneous cardiac stimulator device having an anteriorly positioned electrode
US20030045904 *17 Abr 20026 Mar 2003Bardy Gust H.Subcutaneous cardiac stimulator device and method generating uniform electric field through the heart
US20030088278 *5 Nov 20018 May 2003Cameron Health, Inc.Optional use of a lead for a unitary subcutaneous implantable cardioverter-defibrillator
US20040068303 *4 Oct 20028 Abr 2004Ostroff Alan H.Implantable cardiac system with a selectable active housing
US20040143281 *11 May 200122 Jul 2004Hart Charles C.Traction trocar apparatus and method
US20040172071 *1 Mar 20042 Sep 2004Cameron Health, Inc.Subcutaneous only implantable cardioverter-defibrillator and optional pacer
US20040181273 *10 Mar 200316 Sep 2004Evan BrasingtonDilator with expandable member
US20040199082 *3 Abr 20037 Oct 2004Ostroff Alan H.Selctable notch filter circuits
US20040210293 *6 May 200421 Oct 2004Cameron Health, Inc.Subcutaneous electrode for transthoracic conduction with insertion tool
US20040210294 *6 May 200421 Oct 2004Cameron Health, Inc.Subcutaneous electrode for transthoracic conduction with low profile installation appendage
US20040215308 *21 May 200428 Oct 2004Cameron Health, Inc.Subcutaneous electrode with improved contact shape for transthoracic conduction
US20040254613 *27 May 200416 Dic 2004Cameron Health, Inc.Method for discriminating between ventricular and supraventricular arrhythmias
US20040260353 *9 Jul 200423 Dic 2004Cameron Health, Inc.Radian curve shaped implantable cardioverter-defibrillator canister
US20050010251 *5 Nov 200113 Ene 2005Cameron Health, Inc.Optional use of a lead for a unitary subcutaneous implantable cardioverter-defibrillator
US20050049643 *5 Nov 20013 Mar 2005Cameron Health, Inc.Power supply for a subcutaneous implantable cardioverter-defibrillator
US20050049644 *27 Jul 20043 Mar 2005Cameron Health, Inc.Multiple electrode vectors for implantable cardiac treatment devices
US20050065559 *9 Nov 200424 Mar 2005Cameron Health, Inc.Monophasic waveform for anti-tachycardia pacing for a subcutaneous implantable cardioverter-defibrillator
US20050107835 *19 Nov 200419 May 2005Cameron Health, Inc.Ceramics and/or other material insulated shell for active and non-active S-ICD can
US20050119705 *5 Nov 20012 Jun 2005Cameron Health, Inc.Cardioverter-defibrillator having a focused shocking area and orientation thereof
US20050137625 *9 Nov 200423 Jun 2005Cameron Health, Inc.Power supply for a subcutaneous implantable cardioverter-defibrillator
US20050137637 *21 Ene 200523 Jun 2005Cameron Health, Inc.Biphasic waveform for anti-tachycardia pacing for a subcutaneous implantable cardioverter-defibrillator
US20050143778 *18 Feb 200530 Jun 2005Cameron Health, Inc.Current waveforms for anti-bradycardia pacing for a subcutaneous implantable cardioverter-defibrillator
US20050192505 *2 May 20051 Sep 2005Cameron Health, Inc.Method for discriminating between ventricular and supraventricular arrhythmias
US20050192507 *2 May 20051 Sep 2005Cameron Health, Inc.Multiple electrode vectors for implantable cardiac treatment devices
US20050192639 *22 Abr 20051 Sep 2005Cameron Health, Inc.Flexible subcutaneous implantable cardioverter-defibrillator
US20050240113 *30 Jun 200527 Oct 2005Cameron Health, Inc.Low power A/D converter
US20050267537 *17 May 20021 Dic 2005Ostroff Alan HSubcutaneous cardiac stimulator device having an anteriorly positioned electrode
US20050277990 *17 Ago 200515 Dic 2005Cameron Health, Inc.Current waveforms for anti-tachycardia pacing for a subcutaneous implantable cardioverter-defibrillator
US20060001070 *3 May 20055 Ene 2006Samsung Electronics Co., Ltd.Capacitor of a memory device and fabrication method thereof
US20060004416 *2 Sep 20055 Ene 2006Cameron Health, Inc.Canister designs for implantable cardioverter-defibrillators
US20060025826 *29 Sep 20052 Feb 2006Cameron Health, Inc.Subcutaneous implantable cardioverter-defibrillator employing a telescoping lead
US20060036289 *14 Oct 200516 Feb 2006Cameron Health, Inc.Optional use of a lead for a unitary subcutaneous implantable cardioverter-defibrillator
US20060052817 *8 Nov 20059 Mar 2006Ev3 Inc.Rolled tip recovery catheter
US20060089681 *21 Oct 200427 Abr 2006Cameron Health, Inc.Implantable medical device
US20060116595 *29 Nov 20041 Jun 2006Cameron Health, Inc.Method for defining signal templates in implantable cardiac devices
US20060116725 *29 Nov 20041 Jun 2006Cameron Health, Inc.Method and apparatus for beat alignment and comparison
US20060122676 *6 Dic 20048 Jun 2006Cameron Health, Inc.Apparatus and method for subcutaneous electrode insertion
US20060167504 *25 Ene 200527 Jul 2006Cameron Health, Inc.Devices for adapting charge initiation for an implantable cardioverter-defibrillator
US20060229682 *6 Jun 200612 Oct 2006Cameron Health, Inc.Power supply for an implantable subcutaneous cardioverter-defibrillator
US20060235479 *12 Jun 200619 Oct 2006Cameron Health, Inc.Monophasic waveform for anti-bradycardia pacing for a subcutaneous implantable cardioverter-defibrillator
US20060241698 *26 Abr 200526 Oct 2006Cameron Health, Inc.Methods and implantable devices for inducing fibrillation by alternating constant current
US20060271078 *12 May 200630 Nov 2006Modesitt D BAccess and closure device and method
US20070021791 *28 Sep 200625 Ene 2007Cameron Health, Inc.Transthoracic impedance measurement in a subcutaneous device
US20070027454 *6 Oct 20061 Feb 2007Modesitt D BAccess and closure device and method
US20070027455 *6 Oct 20061 Feb 2007Modesitt D BAccess and closure device and method
US20070032803 *6 Oct 20068 Feb 2007Modesitt D BAccess and closure device and method
US20070032804 *6 Oct 20068 Feb 2007Modesitt D BAccess and closure device and method
US20070049979 *27 Oct 20061 Mar 2007Cameron Health, Inc.Bradycardia pacing in a subcutaneous device
US20070055309 *1 Nov 20068 Mar 2007Cameron Health, Inc.Active housing dual lead assembly
US20070060957 *1 Nov 200615 Mar 2007Cameron Health, Inc.Anterior positioning on opposing sides of sternum
US20070060958 *1 Nov 200615 Mar 2007Cameron Health, Inc.Anterior positioning inactive housing
US20070060960 *1 Nov 200615 Mar 2007Cameron Health, Inc.Anterior active housing subcutaneous positioning methods
US20070118167 *18 Ene 200724 May 2007Applied Medical Resources CorporationTraction trocar apparatus and method
US20070191772 *16 Feb 200616 Ago 2007Animas CorporationStraight insertion safety infusion set
US20070191773 *16 Feb 200616 Ago 2007Animas CorporationLow profile infusion set
US20070233183 *13 Jun 20074 Oct 2007Abbott LaboratoriesSupport frame for an embolic protection device
US20070287962 *29 Abr 200513 Dic 2007Nippon Sherwood Medical Industries, Ltd.Gastrostomy Tube Extension Device
US20080015644 *14 Jul 200617 Ene 2008Cameron Health, Inc.End of life battery testing in an implantable medical device
US20080051758 *18 Jul 200628 Feb 2008Boston Scientific Scimed, Inc.Medical devices
US20080077030 *26 Sep 200627 Mar 2008Cameron Health, Inc.Signal analysis in implantable cardiac treatment devices
US20080200943 *7 Dic 200721 Ago 2008Peter BarkerExpandable medical access sheath
US20100057013 *21 Abr 20064 Mar 2010Tyco Healthcare Group LpIntracorporeal indwelling equipment
US20100121345 *20 Ene 201013 May 2010Boston Scientific Scimed, Inc.Dilator with expandable member
US20110004239 *16 Sep 20106 Ene 2011Ev3 Inc.Rolled tip recovery catheter
US20120089166 *21 Dic 201112 Abr 2012Arstasis, Inc.Access and Closure Device and Method
US20150164668 *17 Dic 201418 Jun 2015Standard Sci-Tech Inc.Catheter for common hepatic duct
US20150209077 *24 Ene 201430 Jul 2015Medtronic, Inc.Implant tools for extravascular implantation of medical leads
US20160095621 *10 Dic 20157 Abr 2016Arstasis, Inc.Access and closure device and method
EP2254644A2 *26 Feb 20091 Dic 2010Iyunni Venkata Sesha Sayi NathFeeding tube
EP2254644A4 *26 Feb 200928 Ene 2015Iyunni Venkata Sesha Sayi NathFeeding tube
EP3037123A1 *11 Oct 201129 Jun 2016Iyunni Venkata Sesha Sayi NathA balloon catheter system and a method of assembling the balloon catheter system
WO2002024275A3 *14 Sep 200130 May 2002Gust H BardyUnitary subcutaneous only implantable cardioverter-debribillator and optional pacer
WO2005112791A3 *12 May 20052 Abr 2009D Bruce ModesittAccess and closure device and method
Clasificaciones
Clasificación de EE.UU.604/164.01, 604/162, 604/509, 604/104, 604/265, 604/526
Clasificación internacionalA61M29/00
Clasificación cooperativaA61M29/02, A61M29/00
Clasificación europeaA61M29/02, A61M29/00
Eventos legales
FechaCódigoEventoDescripción
9 Sep 1998ASAssignment
Owner name: EMBOL-X, INC., CALIFORNIA
Free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNORS:BALCETA, JOBERT P.;MANGOSONG, LORRAINE;REEL/FRAME:009452/0379;SIGNING DATES FROM 19980730 TO 19980805
8 Oct 1999ASAssignment
Owner name: MMC/GATX PARTNERSHIP NO.1, CALIFORNIA
Free format text: SECURITY INTEREST;ASSIGNOR:EMBOL-X, INC.;REEL/FRAME:010152/0958
Effective date: 19990923
Owner name: SILICON VALLEY BANK, CALIFORNIA
Free format text: SECURITY INTEREST;ASSIGNOR:EMBOL-X, INC.;REEL/FRAME:010152/0958
Effective date: 19990923
23 Ago 2002ASAssignment
Owner name: EMBOL-X, INC., CALIFORNIA
Free format text: TERMINATION OF SECURITY INTEREST;ASSIGNORS:MMC/GATX PARNERSHIP NO. I;SILICON VALLEY BANK;REEL/FRAME:013029/0415
Effective date: 20020809
29 Abr 2003ASAssignment
Owner name: EDWARDS LIFESCIENCES CORPORATION, CALIFORNIA
Free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNOR:EMBOL-X, INC.;REEL/FRAME:013998/0632
Effective date: 20030417
26 Ene 2004FPAYFee payment
Year of fee payment: 4
25 Ene 2008FPAYFee payment
Year of fee payment: 8
25 Ene 2012FPAYFee payment
Year of fee payment: 12